cloudbuild_docker.yaml

# This cloudbuild script builds docker images we expect users to
# commonly deploy, and stores these in artifact registry.
# This builds the images multi-arch so they run on x64 and Raspberry Pi.
timeout: 3600s
options:
  machineType: E2_HIGHCPU_32
  volumes:
  - name: go-modules
    path: /go
  env:
  - GOPROXY=https://proxy.golang.org
  - PROJECT_ROOT=github.com/transparency-dev/witness
  - GOPATH=/go
  - 'DOCKER_CLI_EXPERIMENTAL=enabled'

steps:
  - name: 'gcr.io/cloud-builders/docker'
    args: ['run', '--privileged', 'linuxkit/binfmt:v0.8']
    id: 'initialize-qemu'
  - name: 'gcr.io/cloud-builders/docker'
    args: ['buildx', 'create', '--name', 'mybuilder']
    id: 'create-builder'
  - name: 'gcr.io/cloud-builders/docker'
    args: ['buildx', 'use', 'mybuilder']
    id: 'select-builder'
  - name: 'gcr.io/cloud-builders/docker'
    args: ['buildx', 'inspect', '--bootstrap']
    id: 'show-target-build-platforms'

  - name: 'gcr.io/cloud-builders/docker'
    args: [
      'buildx',
      'build',
      '--platform', '$_DOCKER_BUILDX_PLATFORMS',
      '-t', 'us-docker.pkg.dev/transparency-dev/docker/omniwitness:latest',
      '--cache-from', 'us-docker.pkg.dev/transparency-dev/docker/omniwitness:latest',
      '-f', './cmd/omniwitness/Dockerfile',
      '--push',
      '.'
    ]
    waitFor:
      - show-target-build-platforms
    id: 'build-omniwitness-image'

substitutions:
  _DOCKER_BUILDX_PLATFORMS: 'linux/amd64,linux/arm/v7'